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Last Two Digits of 2006a Solution by Khoon Yu Tan is a document available to read on EtoBox.
What is Last Two Digits of 2006a Solution about?
The document describes a problem from the 23rd University of Michigan Undergraduate Mathematics Competition involving finding the last two digits of the number a2006, where the sequence {an} is defined recursively such that a1 = 1 and an+1 = (n + 1)an. It provides the solution that works through the modular arithmetic operations to determine that the last two digits are 76. It notes there may be a flaw in the penultimate paragraph of the solution and requests correction if possible.
- Author
- Khoon Yu Tan
- Language
- EN